Submission #1062322

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062322		ducksaysquack	Self Study (JOI22_ho_t2)	C++98	100 / 100	212 ms	11376 KiB

Main

#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main() {
	int n, k; cin >> n >> k; vector<int> a(n), b(n);
	int l = 0, r = 0;
	for(int i=0;i<n;i++) {cin >> a[i]; r = max(r,a[i]);}
	for(int i=0;i<n;i++) {cin >> b[i]; r = max(r,b[i]);}
	r *= k;
	while(l<r) {
		int m = l+(r-l+1)/2, c = 0;
		for(int i=0;i<n;i++) {
			if(m <= k*max(a[i],b[i])) c += (k-(m+max(a[i],b[i])-1)/max(a[i],b[i]));
			else c -= (m-k*max(a[i],b[i])+b[i]-1)/b[i];
			if(c <= -n*k) {r = m-1; break;}
		}
		if(c >= 0) l = m;
		else r = m-1;
	}
	cout << l;
}

• Subtask 1: 10 / 10
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29
• Subtask 5: 9 / 9